Xiaomi HyperCharge 120W uses a proprietary USB-C protocol negotiating high voltages over USB-C PD for fast charging compatible phones and laptops including Mi Notebook and Xiaomi 12S Ultra at up to 120W.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground | GND |
| 4 | VBUS | High voltage power for HyperCharge | PWR |
| 5 | CC1 | Xiaomi HyperCharge protocol negotiation | BUS |
| 12 | GND | Ground | GND |
Xiaomi HyperCharge 120W uses a proprietary USB-C protocol negotiating high voltages over USB-C PD for fast charging compatible phones and laptops including Mi Notebook and Xiaomi 12S Ultra at up to 120W.